Questions and postings pertaining to the usage of ImageMagick regardless of the interface. This includes the command-line utilities, as well as the C and C++ APIs. Usage questions are like "How do I use ImageMagick to create drop shadows?".

i've used this line on other machines and not gotten an error.
this is really confusing me...
tried it with a bunch of different convert stuff and always getting this same error where is says the outputfilename is missing...
i've checked permissions and other stuff but still coming up blank. any thoughts?

and now i just discovered that all the tmp*.jpg files i was trying to average were bogus files and i feel embarrased. average now works...
Thanks and hope i did not waste anyones time. glad to know -evaluate-sequence exists and i am assuming a later version will make that work for me.